Super Heavy Single-Trip Permits

TxDMV issues a single-trip super heavy permit for the movement of non-divisible vehicles and/or loads that exceed 254,300 pounds total gross weight, the maximum permit weights on any axle or axle group or between 200,001 pounds and 254,300 pounds with less than 95 feet of axle spacing.

Single-trip permits may only be used for one movement, during the times specified on the permit, from a specific point of origin to a specific destination.

How to Apply

Apply online through TxPROS

You may also:

Download and submit Form 305, Super Heavy Application Packet by fax to (512) 465-3549, email to
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or by mail to TxDMV-MCD, 4000 Jackson Ave., Austin, Texas 78731.

Payment information must be provided with the permit application.A copy of the signed contract or purchase order between the shipper and manufacturer/purchaser, along with a loading diagram, must be included with the application.

Applications and supporting documentation must be sent six to eight weeks before the permit is required, unless an existing pre-approved route is on file.